cregit-Linux how code gets into the kernel

Release 4.11 drivers/acpi/acpica/rsdump.c

/*******************************************************************************
 *
 * Module Name: rsdump - AML debugger support for resource structures.
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2017, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acresrc.h"


#define _COMPONENT          ACPI_RESOURCES
ACPI_MODULE_NAME("rsdump")

/*
 * All functions in this module are used by the AML Debugger only
 */
/* Local prototypes */
static void acpi_rs_out_string(const char *title, const char *value);

static void acpi_rs_out_integer8(const char *title, u8 value);

static void acpi_rs_out_integer16(const char *title, u16 value);

static void acpi_rs_out_integer32(const char *title, u32 value);

static void acpi_rs_out_integer64(const char *title, u64 value);

static void acpi_rs_out_title(const char *title);

static void acpi_rs_dump_byte_list(u16 length, u8 *data);

static void acpi_rs_dump_word_list(u16 length, u16 *data);

static void acpi_rs_dump_dword_list(u8 length, u32 *data);

static void acpi_rs_dump_short_byte_list(u8 length, u8 *data);

static void
acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source);

static void acpi_rs_dump_address_common(union acpi_resource_data *resource);

static void
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);

/*******************************************************************************
 *
 * FUNCTION:    acpi_rs_dump_resource_list
 *
 * PARAMETERS:  resource_list       - Pointer to a resource descriptor list
 *
 * RETURN:      None
 *
 * DESCRIPTION: Dispatches the structure to the correct dump routine.
 *
 ******************************************************************************/


void acpi_rs_dump_resource_list(struct acpi_resource *resource_list) { u32 count = 0; u32 type; ACPI_FUNCTION_ENTRY(); /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { return; } /* Walk list and dump all resource descriptors (END_TAG terminates) */ do { acpi_os_printf("\n[%02X] ", count); count++; /* Validate Type before dispatch */ type = resource_list->type; if (type > ACPI_RESOURCE_TYPE_MAX) { acpi_os_printf ("Invalid descriptor type (%X) in resource list\n", resource_list->type); return; } /* Sanity check the length. It must not be zero, or we loop forever */ if (!resource_list->length) { acpi_os_printf ("Invalid zero length descriptor in resource list\n"); return; } /* Dump the resource descriptor */ if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { acpi_rs_dump_descriptor(&resource_list->data, acpi_gbl_dump_serial_bus_dispatch [resource_list->data. common_serial_bus.type]); } else { acpi_rs_dump_descriptor(&resource_list->data, acpi_gbl_dump_resource_dispatch [type]); } /* Point to the next resource structure */ resource_list = ACPI_NEXT_RESOURCE(resource_list); /* Exit when END_TAG descriptor is reached */ } while (type != ACPI_RESOURCE_TYPE_END_TAG); }

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Robert Moore150100.00%1100.00%
Total150100.00%1100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_dump_irq_list * * PARAMETERS: route_table - Pointer to the routing table to dump. * * RETURN: None * * DESCRIPTION: Print IRQ routing table * ******************************************************************************/
void acpi_rs_dump_irq_list(u8 *route_table) { struct acpi_pci_routing_table *prt_element; u8 count; ACPI_FUNCTION_ENTRY(); /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { return; } prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table); /* Dump all table elements, Exit on zero length element */ for (count = 0; prt_element->length; count++) { acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n", count); acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt); prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table, prt_element, prt_element->length); } }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore88100.00%1100.00%
Total88100.00%1100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_dump_descriptor * * PARAMETERS: resource - Buffer containing the resource * table - Table entry to decode the resource * * RETURN: None * * DESCRIPTION: Dump a resource descriptor based on a dump table entry. * ******************************************************************************/
static void acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) { u8 *target = NULL; u8 *previous_target; const char *name; u8 count; /* First table entry must contain the table length (# of table entries) */ count = table->offset; while (count) { previous_target = target; target = ACPI_ADD_PTR(u8, resource, table->offset); name = table->name; switch (table->opcode) { case ACPI_RSD_TITLE: /* * Optional resource title */ if (table->name) { acpi_os_printf("%s Resource\n", name); } break; /* Strings */ case ACPI_RSD_LITERAL: acpi_rs_out_string(name, ACPI_CAST_PTR(char, table->pointer)); break; case ACPI_RSD_STRING: acpi_rs_out_string(name, ACPI_CAST_PTR(char, target)); break; /* Data items, 8/16/32/64 bit */ case ACPI_RSD_UINT8: if (table->pointer) { acpi_rs_out_string(name, table->pointer[*target]); } else { acpi_rs_out_integer8(name, ACPI_GET8(target)); } break; case ACPI_RSD_UINT16: acpi_rs_out_integer16(name, ACPI_GET16(target)); break; case ACPI_RSD_UINT32: acpi_rs_out_integer32(name, ACPI_GET32(target)); break; case ACPI_RSD_UINT64: acpi_rs_out_integer64(name, ACPI_GET64(target)); break; /* Flags: 1-bit and 2-bit flags supported */ case ACPI_RSD_1BITFLAG: acpi_rs_out_string(name, table->pointer[*target & 0x01]); break; case ACPI_RSD_2BITFLAG: acpi_rs_out_string(name, table->pointer[*target & 0x03]); break; case ACPI_RSD_3BITFLAG: acpi_rs_out_string(name, table->pointer[*target & 0x07]); break; case ACPI_RSD_SHORTLIST: /* * Short byte list (single line output) for DMA and IRQ resources * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_out_title(name); acpi_rs_dump_short_byte_list(*previous_target, target); } break; case ACPI_RSD_SHORTLISTX: /* * Short byte list (single line output) for GPIO vendor data * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_out_title(name); acpi_rs_dump_short_byte_list(*previous_target, * (ACPI_CAST_INDIRECT_PTR (u8, target))); } break; case ACPI_RSD_LONGLIST: /* * Long byte list for Vendor resource data * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_byte_list(ACPI_GET16 (previous_target), target); } break; case ACPI_RSD_DWORDLIST: /* * Dword list for Extended Interrupt resources * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_dword_list(*previous_target, ACPI_CAST_PTR(u32, target)); } break; case ACPI_RSD_WORDLIST: /* * Word list for GPIO Pin Table * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_word_list(*previous_target, *(ACPI_CAST_INDIRECT_PTR (u16, target))); } break; case ACPI_RSD_ADDRESS: /* * Common flags for all Address resources */ acpi_rs_dump_address_common(ACPI_CAST_PTR (union acpi_resource_data, target)); break; case ACPI_RSD_SOURCE: /* * Optional resource_source for Address resources */ acpi_rs_dump_resource_source(ACPI_CAST_PTR (struct acpi_resource_source, target)); break; default: acpi_os_printf("**** Invalid table opcode [%X] ****\n", table->opcode); return; } table++; count--; } }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore27962.28%545.45%
Lin Ming10222.77%19.09%
Linus Torvalds357.81%19.09%
Linus Torvalds (pre-git)224.91%19.09%
Andy Grover81.79%218.18%
Len Brown20.45%19.09%
Total448100.00%11100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_dump_resource_source * * PARAMETERS: resource_source - Pointer to a Resource Source struct * * RETURN: None * * DESCRIPTION: Common routine for dumping the optional resource_source and the * corresponding resource_source_index. * ******************************************************************************/
static void acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source) { ACPI_FUNCTION_ENTRY(); if (resource_source->index == 0xFF) { return; } acpi_rs_out_integer8("Resource Source Index", resource_source->index); acpi_rs_out_string("Resource Source", resource_source->string_ptr ? resource_source->string_ptr : "[Not Specified]"); }

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PersonTokensPropCommitsCommitProp
Robert Moore4489.80%266.67%
Linus Torvalds (pre-git)510.20%133.33%
Total49100.00%3100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_dump_address_common * * PARAMETERS: resource - Pointer to an internal resource descriptor * * RETURN: None * * DESCRIPTION: Dump the fields that are common to all Address resource * descriptors * ******************************************************************************/
static void acpi_rs_dump_address_common(union acpi_resource_data *resource) { ACPI_FUNCTION_ENTRY(); /* Decode the type-specific flags */ switch (resource->address.resource_type) { case ACPI_MEMORY_RANGE: acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags); break; case ACPI_IO_RANGE: acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags); break; case ACPI_BUS_NUMBER_RANGE: acpi_rs_out_string("Resource Type", "Bus Number Range"); break; default: acpi_rs_out_integer8("Resource Type", (u8) resource->address.resource_type); break; } /* Decode the general flags */ acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags); }

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PersonTokensPropCommitsCommitProp
Robert Moore7692.68%360.00%
Linus Torvalds (pre-git)56.10%120.00%
Linus Torvalds11.22%120.00%
Total82100.00%5100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_out* * * PARAMETERS: title - Name of the resource field * value - Value of the resource field * * RETURN: None * * DESCRIPTION: Miscellaneous helper functions to consistently format the * output of the resource dump routines * ******************************************************************************/
static void acpi_rs_out_string(const char *title, const char *value) { acpi_os_printf("%27s : %s", title, value); if (!*value) { acpi_os_printf("[NULL NAMESTRING]"); } acpi_os_printf("\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore4093.02%480.00%
Linus Torvalds (pre-git)36.98%120.00%
Total43100.00%5100.00%


static void acpi_rs_out_integer8(const char *title, u8 value) { acpi_os_printf("%27s : %2.2X\n", title, value); }

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PersonTokensPropCommitsCommitProp
Robert Moore2086.96%375.00%
Linus Torvalds (pre-git)313.04%125.00%
Total23100.00%4100.00%


static void acpi_rs_out_integer16(const char *title, u16 value) { acpi_os_printf("%27s : %4.4X\n", title, value); }

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PersonTokensPropCommitsCommitProp
Robert Moore23100.00%2100.00%
Total23100.00%2100.00%


static void acpi_rs_out_integer32(const char *title, u32 value) { acpi_os_printf("%27s : %8.8X\n", title, value); }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore2086.96%375.00%
Linus Torvalds313.04%125.00%
Total23100.00%4100.00%


static void acpi_rs_out_integer64(const char *title, u64 value) { acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore2180.77%375.00%
Linus Torvalds (pre-git)519.23%125.00%
Total26100.00%4100.00%


static void acpi_rs_out_title(const char *title) { acpi_os_printf("%27s : ", title); }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore1477.78%360.00%
Linus Torvalds (pre-git)211.11%120.00%
Linus Torvalds211.11%120.00%
Total18100.00%5100.00%

/******************************************************************************* * * FUNCTION: acpi_rs_dump*List * * PARAMETERS: length - Number of elements in the list * data - Start of the list * * RETURN: None * * DESCRIPTION: Miscellaneous functions to dump lists of raw data * ******************************************************************************/
static void acpi_rs_dump_byte_list(u16 length, u8 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %2.2X\n", "Byte", i, data[i]); } }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore2862.22%250.00%
Linus Torvalds (pre-git)1635.56%125.00%
Len Brown12.22%125.00%
Total45100.00%4100.00%


static void acpi_rs_dump_short_byte_list(u8 length, u8 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%X ", data[i]); } acpi_os_printf("\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore3984.78%150.00%
Linus Torvalds (pre-git)715.22%150.00%
Total46100.00%2100.00%


static void acpi_rs_dump_dword_list(u8 length, u32 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]); } }

Contributors

PersonTokensPropCommitsCommitProp
Robert Moore3782.22%133.33%
Linus Torvalds (pre-git)511.11%133.33%
Andy Grover36.67%133.33%
Total45100.00%3100.00%


static void acpi_rs_dump_word_list(u16 length, u16 *data) { u16 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]); } }

Contributors

PersonTokensPropCommitsCommitProp
Lin Ming45100.00%1100.00%
Total45100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Robert Moore103677.26%1350.00%
Lin Ming15911.86%13.85%
Linus Torvalds (pre-git)856.34%27.69%
Linus Torvalds423.13%13.85%
Andy Grover130.97%519.23%
Len Brown50.37%311.54%
Patrick Mochel10.07%13.85%
Total1341100.00%26100.00%
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